Space Simulation Toolkit - DEMO
Playing now
19−3 vs. yesterday
61%of peak
All-time peak
3112 Sep 2026
Playing now
19−3 vs. yesterday
All-time peak
3112 Sep 2026
| Published | Kind | Announcement | Build |
|---|---|---|---|
| Major update | v0.10.0.8 - FPS INCREASE 10%, STAR SCENE LAG FIXED | — | |
| Major update | v0.10.0.0 - 6 YEARS OF EARLY ACCESS 6 YEARS OF EARLY ACCESS! • New Biome sim — Planet sim + DNA (but 1/2 size max) • Items: EDITABLE JSON presets at: GAMEDIR/items • Items/DNA: Auto growth structures • Items/Hexmap: Chassis & Icebreaker with key bindings • Load: able to load Planet saves as Biome saves • Selection: merged-cluster contour outline • View: adjustable link thickness and opacity • Camera follow fix • CLI: --sim / --sc… | 23441596 | |
| Major update | v0.9.3.3 - AMD RADEON FIX rx 6600 tested · rx 580 tested | — | |
| Major update | v0.9.3.1 - Line tool, Menu - 🎄🔔 Merry Christmas 🔔🎄 Line tool · Shift+Line to erase · Bigger load/save menu · Changelog · More hints · Crash/UI fixes | — | |
| Major update | v0.9.1.0 - Custom Reactions custom material reactions · currently only transformation is possible so only A+B=C+D formula · temp, pressure, electro, aqua, ra as conditions and as results of reactions · list of reactions in material props · diffusion effect based on material swaps | — | |
| Major update | v0.9.0.0 - Custom materials editor right click to open material editor · clone material button · editable material title, icon, tag, hint | 20718273 | |
| Major update | v0.8.8.8 - Asteroid² "RTX ON": Day, Night, Moonlight light view modes · 3 new scenes: Planet², Asteroid², Moonlight · Asteroid² scene on 800K particles makes impact exactly as on video · pressure fusion core instead of Sun object · more plants and water, less lava pools · new main menu pictures | — | |
| Major update | v0.8.5.2 - RTX ON - pressure fusion by default (instead of Sun for planet cores) - Rays.night by default - more plants, less lava pools (Planet*, Volcano, Chassis, Icebreaker scenes - RTX ON) | — | |
| Major update | v0.8.5.0 - Night Night scene · Scene.Ray.night · Scene.Ray.backlight | — | |
| Major update | v0.8.4.0 - Chassis. Keyboard control Chassis scene · New rotor hard linked material rotaring layers relatively to each other · Easy key bindings · Chassis control (LEFT,RIGHT) · Smooth speed control (Z,X) · Laser turret (UP,DOWN,TAB) · Bind keys for Icebreaker control video tutorial · Sticky materials now only stick to each other (to prevent dirt from sticking to the wheels) · New temperature spectrum colors | 20067512 | |
| Major update | v0.8.3.0 - Planets | — | |
| Major update | v0.8.2.0 - 5 YEARS EARLY ACCESS Protobiome 2.5 Alpha (solid lifeforms, herbivores/carnivores, DNA inspect) · UI upgrade (more icons, foldable tags, popup hints with descriptions) | 18756416 | |
| Major update | SST v0.7.7.7 - The Star - new "Star" scene - Pressure based fusion (Ray.fusion) - Heat based light emission (Ray.temit) - Big gravity for the planet sim (multigrid) - Solar wind (Sun.emit_mass) - Camera follow - Ray panel - 4K particles overlap fix - Pressure view - Draw.link_materials (link or not different materials) | — | |
| Major update | v0.7.7.1 - Icebreaker scene - Layers, Copy/Paste, Machines draw - new pre-made machine "Icebreaker" scene - multi layer machines editor - CTRL+V for instant paste of the current selection copy at mouse position - Draw: draw by grid, pipes, smooth lines - tools menu highlights * Also, 5 June 2024 - 4 years of Early Access Happy Summer 2024 | 14591161 |
Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.